MP3
noun [ C or U ] trademark uk/ˌem.piːˈθriː/ us/ˌem.piːˈθriː/
MP3文件（一种以小空间存储高音质声音的计算机文件）;MP3技术
a type of computer file that stores high-quality sound in a small amount of space, or the technology that makes this possible
I downloaded their latest album on MP3. 我下载了他们最新唱片的MP3格式文件。